diff --git a/underscore/underscore-tests.ts b/underscore/underscore-tests.ts
index c3ec6243fc..5fbab818b4 100644
--- a/underscore/underscore-tests.ts
+++ b/underscore/underscore-tests.ts
@@ -59,8 +59,8 @@ _.initial([5, 4, 3, 2, 1]);
 _.last([5, 4, 3, 2, 1]);
 _.rest([5, 4, 3, 2, 1]);
 _.compact([0, 1, false, 2, '', 3]);
-_.flatten([1, [2], [3, [[4]]]]);
-_.flatten([1, [2], [3, [[4]]]], true);
+_.flatten([1, [2], [3, <any>[[4]]]]);
+_.flatten([1, [2], [3, <any>[[4]]]], true);
 _.without([1, 2, 1, 0, 3, 1, 4], 0, 1);
 _.union([1, 2, 3], [101, 2, 1, 10], [2, 1]);
 _.intersection([1, 2, 3], [101, 2, 1, 10], [2, 1]);
@@ -68,7 +68,7 @@ _.difference([1, 2, 3, 4, 5], [5, 2, 10]);
 _.uniq([1, 2, 1, 3, 1, 4]);
 _.zip(['moe', 'larry', 'curly'], [30, 40, 50], [true, false, false]);
 _.object(['moe', 'larry', 'curly'], [30, 40, 50]);
- _.object([['moe', 30], ['larry', 40], ['curly', 50]]);
+_.object([['moe', <any>30], ['larry', <any>40], ['curly', <any>50]]);
 _.indexOf([1, 2, 3], 2);
 _.lastIndexOf([1, 2, 3, 1, 2, 3], 2);
 _.sortedIndex([10, 20, 30, 40, 50], 35);